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Adult Female BALB/c Mice Heart and Aorta Tissue Under the Influence of Aqueous Extract of Physalis alkekengi 泡浆水提物对成年雌性BALB/c小鼠心脏和主动脉组织的影响
Pub Date : 2022-01-31 DOI: 10.5812/thrita.122034
Mahyar Mokhatab, P. Torabzadeh, M. Farhadi
Background: Physalis alkekengi (PA) is used as a topical medicine in the treatment of tumors. The diuretic, laxative, and anti-inflammatory properties of PA have been studied. Due to the widespread usage of PA, investigation on the plausible side effects is of great concern. Objectives: This study was done to assess the effects of aqueous extract of PA on the heart and aortic tissue of adult BALB/c mice. Methods: Fifty BALB/c mice aged 10-12 weeks, weighing 25 ± 2 g, were divided into five groups of control, sham, and three experimental groups (receiving PA aqueous extract at 7, 15, and 19 g/Kg) for four weeks. Lactate dehydrogenase (LDH) and creatine phosphokinase (CPK) enzymes were measured. Moreover, histological processing and macroscopic investigation were performed. Results: Our data showed that different doses of PA aqueous extract caused a significant increase in aortic diameter compared to the control and sham groups (P-value ≤ 0.05). The macroscopic heart investigation revealed that the experimental groups had more apparent blood vessels than the control group. In microscopic examinations, an increase was observed in the interstitial spaces and unrecognizable stepped lines. The experimental groups demonstrated a significant decrease in the levels of LDH and CPK compared to the control and sham groups (P-value ≤ 0.5). Therefore, PA aqueous extract has adverse impacts on the heart, aorta, and cardiac enzymes, which were more significant at high doses. Conclusions: Our finding showed that PA has destructive impacts on the heart tissue and PA use needs more investigation and attention.
背景:酸浆(Physalis alkekengi, PA)是一种用于治疗肿瘤的外用药物。已研究了PA的利尿、通便和抗炎特性。由于PA的广泛使用,对其可能的副作用的调查是非常值得关注的。目的:研究PA水提物对成年BALB/c小鼠心脏和主动脉组织的影响。方法:10 ~ 12周龄BALB/c小鼠50只,体重25±2 g,分为5组对照组、假手术组和3个实验组(分别给予PA水提物7、15、19 g/Kg),持续4周。测定乳酸脱氢酶(LDH)和肌酸磷酸激酶(CPK)。并进行组织学处理和宏观观察。结果:我们的数据显示,与对照组和假手术组相比,不同剂量的PA水提物使大鼠主动脉直径显著增加(p值≤0.05)。心脏宏观检查显示实验组明显血管多于对照组。镜下检查可见间质增多和无法辨认的阶梯线。与对照组和假手术组相比,实验组LDH和CPK水平显著降低(p值≤0.5)。因此,PA水提物对心脏、主动脉和心脏酶有不良影响,且在高剂量时更为显著。结论:我们的研究结果表明,PA对心脏组织有破坏性影响,PA的使用需要更多的研究和关注。
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引用次数: 0
Exposure of Public Sector with the Quasi-Market Through Outsourcing: A Case Study in Iran 公共部门通过外包与准市场的接触:以伊朗为例
Pub Date : 2022-01-28 DOI: 10.21203/rs.3.rs-1298213/v1
H. Omranikhoo, M. Azmal, H. Salari, Layla Ghorbanalizadeh, Mehdi Rezaee
Objective: Outsourcing as an effective strategy in public management has brought the attention of policy makers for long time ago. This strategy as a public -private partnership arrangement (PPP) was coined to increase efficiency and quality in public organizations .in this study we aimed to investigate the frequency of using common outsourcing models in Bushehr University of Medical Sciences (BUMS).Methods: This is a descriptive and cross-sectional study conducted in year 2020 in BUMS. Research population was all the deputies, hospitals and health networks affiliated to BUMS. This study was carried out in four stages including: literature review, construction of a checklist, quality assurance of gathered data and finally categorization of the outsourced services. Result: Results showed that there was a total of 7 various outsourcing models on which 189 cases of services have been outsourced. 108 cases out of 189 were clinical and the rest non-clinical. Among the outsourcing models, Service purchasing model was the commonest used model and two more models including leases and divesture were lack of use. Conclusion: Results signify that although various outsourcing models are available however, the frequency of outsourced services is still limited, showing that in order to spread the penetration of this strategy it needs to be tackled the obstacles ahead of its successful implementation. Increasing the knowledge of mangers would be definitely an effective solution. Furthermore, capacity –building towards raising the number of private health care providers could facilitate the implementation of outsourcing policy.
目的:外包作为一种有效的公共管理策略,早已引起决策者的重视。这种公私合作安排(PPP)的策略是为了提高公共组织的效率和质量而创造的。在本研究中,我们旨在调查布什尔医学科学大学(BUMS)使用通用外包模式的频率。方法:这是一项描述性和横断面研究,于2020年在BUMS进行。研究对象为隶属于卫生保健系统的所有副代表、医院和卫生网络。本研究分四个阶段进行,包括文献综述、构建清单、收集数据的质量保证和外包服务的分类。结果:结果显示,共有7种不同的外包模式,189例服务外包。189例中临床108例,其余为非临床。在外包模式中,服务采购模式是最常用的模式,租赁和剥离两种模式较少使用。结论:结果表明,尽管有各种外包模式,但外包服务的频率仍然有限,这表明,为了传播这一战略的渗透,需要解决其成功实施之前的障碍。增加管理者的知识肯定是一个有效的解决方案。此外,为增加私营保健提供者的数量而进行的能力建设可促进执行外包政策。
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引用次数: 0
Post-COVID Medical Education COVID 后医学教育
Pub Date : 2022-01-12 DOI: 10.5812/thrita.120307
Ghazaleh Ghaffaripour Jahromi
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引用次数: 0
Effect of Professional Ethics Workshop on the Moral Intelligence of Prehospital Emergency Personnel in East Azerbaijan, Iran 职业道德研讨会对伊朗东阿塞拜疆院前急救人员道德智力的影响
Pub Date : 2021-12-27 DOI: 10.5812/thrita.116833
Sara Ghahremanzadeh Anigh, A. Kazemi, S. Khamnei, Mehran Seif-Farshad, F. Hasanzadeh, F. Rahmani
Background: Moral intelligence is one of the several types of human intelligence. It is the ability to understand right from wrong and behave based on the value which is believed to be right. Objectives: This study was conducted to evaluate the effect of a professional ethics workshop on the moral intelligence of prehospital emergency technicians in East Azerbaijan Province, Iran, and consequently the improvement of their performance and increase in their work efficiency. Methods: In this before- and after-interventional study conducted in Tabriz University Prehospital Emergency Center, Iran, in 2020, a total of 234 participants were evaluated. The sample was collected using the Lennick and Kiel’s Moral Intelligence Questionnaire and full census method. Before the workshop, the questionnaire was completed by the participants. After the workshop, the same questionnaire was completed again. Results: The pretest and posttest scores for moral intelligence were 83.02 ± 7.33 and 83.49 ± 8.40, respectively, which showed a statistically significant difference (P < 0.05). In the three components of moral intelligence, namely consistent behaviors based on principles, values, and beliefs, persistence for the right, and responsibility for personal decisions, there were statistically significant differences (P < 0.05) before and after the workshop. Conclusions: According to the results, holding a professional ethics workshop was effective in increasing the overall level of moral intelligence, particularly in the three aforementioned components of moral intelligence. It is recommended to continue holding such workshops and improve the conditions and methods of training to increase their efficiency as much as possible.
背景:道德智力是人类智力的几种类型之一。它是一种明辨是非的能力,是一种以被认为是正确的价值观为基础的行为能力。目的:本研究旨在评估伊朗东阿塞拜疆省院前急救技术人员职业道德研讨会对其道德智力的影响,从而提高他们的工作绩效和工作效率。方法:这项介入前后研究于2020年在伊朗大不里士大学院前急救中心进行,共对234名参与者进行了评估。样本采用Lennick和Kiel道德智力问卷和完全人口普查方法收集。工作坊开始前,参与者完成问卷调查。工作坊结束后,再次填写相同的问卷。结果:学生道德智力前测和后测得分分别为83.02±7.33分和83.49±8.40分,差异有统计学意义(P < 0.05)。在道德智力的三个组成部分,即基于原则、价值观和信念的一致性行为,对权利的坚持,对个人决策的责任,在研讨会前后有统计学意义(P < 0.05)。结论:通过举办职业道德研讨会,可以有效提高大学生道德智力的整体水平,尤其是在道德智力的三个组成部分。建议继续举办这类讲习班,并改进培训的条件和方法,以尽可能提高其效率。
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引用次数: 0
What Does Need to Generate Whole Retina in a Dish? 在盘中生成整个视网膜需要什么?
Pub Date : 2021-12-21 DOI: 10.5812/thrita.120385
Hamid Abootaleb
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引用次数: 0
Health-Boosting Effects of Aerobic Exercise Training and Berberine on Diabetes: A Brief Overview 有氧运动训练和小檗碱对糖尿病的促进作用:综述
Pub Date : 2021-11-14 DOI: 10.5812/thrita.119821
H. Heidari, M. Azarbayjani, M. Peeri, P. Farzanegi, S. Hosseini
: Type 2 diabetes is one of the most important metabolic disorders that affect lifestyle. Accordingly, studies have shown that lifestyle changes, especially increasing daily physical activity, can prevent diabetes and help people with the disease through various mechanisms. On the other hand, the use of medicinal plants due to having various phytochemical compounds, each of which has healing properties, can be considered a helpful method in preventing and treating diabetes complications. One of the phytochemical compounds used as an effective substance in the treatment of diabetes is an alkaloid called Berberine. Berberine has been used in traditional medicine to lower blood glucose, and new studies in both in vivo and in vitro conditions have confirmed the diabetic effect of Berberine. Receiving increased energy metabolism, increased glucose and fatty acid uptake by peripheral tissues, improving lipid profile, reducing inflammatory mediators, increasing antioxidant capacity are common mechanisms that aerobic exercise and Berberine exert their beneficial effects in diabetes. In the present study, the effect of aerobic exercise, Berberine, and its combination on diabetes markers have been investigated considering the beneficial effects of aerobic exercise and Berberine in diabetes.
2型糖尿病是影响生活方式的最重要的代谢紊乱之一。因此,研究表明,改变生活方式,特别是增加日常体育活动,可以预防糖尿病,并通过各种机制帮助患有糖尿病的人。另一方面,由于药用植物含有各种植物化学化合物,每种都具有愈合特性,因此可以被认为是预防和治疗糖尿病并发症的有用方法。作为治疗糖尿病的有效物质之一的植物化学化合物是一种被称为小檗碱的生物碱。小檗碱在传统医学中被用于降低血糖,新的体内和体外研究都证实了小檗碱对糖尿病的作用。增加能量代谢,增加外周组织对葡萄糖和脂肪酸的摄取,改善脂质谱,减少炎症介质,提高抗氧化能力是有氧运动和小檗碱在糖尿病中发挥有益作用的共同机制。在本研究中,考虑到有氧运动和小檗碱对糖尿病的有益作用,我们研究了有氧运动、小檗碱及其联合使用对糖尿病标志物的影响。
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引用次数: 0
In Vivo Antiplasmodial Activity of Detarium microcarpum (Fabaceae) Stem Bark Extract 豆科小檗茎皮提取物的体内抗疟原虫活性研究
Pub Date : 2021-10-27 DOI: 10.5812/thrita.116921
A. Abdullahi, S. Malami, Lawal Alhassan Bichi
Background: Malaria is a parasitic infection that is common in the tropical and sub-tropical regions of the world. It is estimated to kill one million individuals annually. Detarium microcarpum (Fabaceae family) is used traditionally for the treatment of malaria, diabetes, hypertension, convulsions, pneumonia, leprosy, and meningitis. The purpose of this research was to evaluate the antiplasmodial potential and safety profile of the methanol extract of D. microcarpum stem bark. Methods: The extract was subjected to phytochemical screening and oral median lethal dose (LD50) estimation. Using curative, suppressive, and prophylactic experimental animal models, antiplasmodial activity was assessed in mice infected with chloroquine-sensitive Plasmodium berghei berghei. Biochemical and hematological tests were conducted in rats orally administered with the extract for 28 days. One-way analysis of variance (ANOVA) was used to analyze the data, followed by Dunnett's post hoc test. Results: Alkaloids, flavonoids, saponins, tannins, triterpenes, and glycosides were found in the extract through phytochemical analysis. When compared to the negative control group, the extract at the tested doses (200, 400, and 800 mg/kg) showed a significant (P < 0.001) curative, suppressive, and prophylactic effect and significantly (P < 0.001) prolonged the survival time of mice in the treated groups. The extract had an insignificant (P > 0.05) effect on the biochemical and hematological parameters tested. Conclusions: The results suggest that the stem bark extract of D. microcarpum at the doses tested possesses antiplasmodial activity and is relatively safe after short-term use.
背景:疟疾是一种寄生虫感染,常见于世界热带和亚热带地区。据估计,每年有100万人死于疟疾。小檗(豆科)传统上用于治疗疟疾、糖尿病、高血压、惊厥、肺炎、麻风病和脑膜炎。本研究的目的是评价小檗茎皮甲醇提取物的抗疟原虫潜能和安全性。方法:对提取液进行植物化学筛选和口服致死中位剂量(LD50)估算。采用治疗性、抑郁性和预防性实验动物模型,对感染氯喹敏感的贝格氏疟原虫的小鼠进行抗疟原虫活性评估。大鼠口服提取物28 d,进行生化和血液学试验。采用单因素方差分析(ANOVA)对数据进行分析,然后进行Dunnett事后检验。结果:经植物化学分析,提取液中含有生物碱、黄酮类化合物、皂苷、单宁、三萜和苷类化合物。与阴性对照组相比,试验剂量(200、400、800 mg/kg)的提取物具有显著(P < 0.001)的治疗、抑制和预防作用,并显著(P < 0.001)延长了治疗组小鼠的生存时间。提取物对小鼠生化和血液学指标的影响不显著(P > 0.05)。结论:实验剂量下,小檗茎皮提取物具有抗疟原虫活性,短期使用相对安全。
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引用次数: 3
Design and Validation of Functional Cardiorespiratory Exercise Field Tests in Women Volleyball Players: A Pilot Study 女排运动员心肺功能运动场地试验的设计与验证:一项初步研究
Pub Date : 2021-10-25 DOI: 10.5812/thrita.117547
Zahra Vahedi Langaroudi, M. Azarbayjani, Ahmad Abdi, Asieh Abbasi Daloii
Background: Volleyball requires high anaerobic and aerobic capacity, so to evaluate this important issue, there are various tests such as Bruce maximal test. There is no standard field test to measure cardiovascular function for women volleyball according to exercise mode. Objectives: This study aimed to design and validation of functional cardiorespiratory exercise field tests in women volleyball players. Methods: In a diagnostic value study, 64 competitive female volleyball players with three years of playing experience (Age: 27 ± 6) were voluntarily selected from Tehran’s first division league. To evaluate VO2max, the Bruce test and the newly designed test, which was fully explained in the methodology section, were used. Data were analyzed using the ROC curve test. Results: The results showed that the area under the curve exceeded 0.71%, and the sensitivity and specificity values were 70.8% and 75%, respectively. The PPV obtained in this study was 89.5, and also the NPV values were 46.2, indicating relatively good reliability for screening. Conclusions: The present study shows that the newly designed test for women volleyball players, which uses a special exercise mode in modeled volleyball, has relatively good reliability. This test may be used as an efficient and inexpensive field test to measure the VO2max in women volleyball players.
背景:排球运动对无氧和有氧能力的要求很高,因此为了评估这一重要问题,有各种各样的测试,如布鲁斯极限测试。根据运动方式的不同,目前还没有标准的现场测试来测量女子排球运动员的心血管功能。目的:设计并验证女排运动员心肺功能运动的实地测试。方法:采用诊断价值研究的方法,从德黑兰甲级联赛中自愿抽取64名具有3年比赛经验的女排球运动员(年龄:27±6岁)。为了评估VO2max,使用了Bruce测试和新设计的测试(在方法部分中有详细说明)。采用ROC曲线检验对资料进行分析。结果:曲线下面积大于0.71%,灵敏度为70.8%,特异度为75%。本研究获得的PPV为89.5,NPV值为46.2,具有较好的筛选可靠性。结论:本研究表明,新设计的女排运动员测试采用了一种特殊的模拟排球运动模式,具有较好的信度。本测试可作为一种高效、廉价的现场测试方法来测量女排运动员的最大摄氧量。
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引用次数: 0
Prevalence of Dissociative Experiences and Dissociative Disorders in Methamphetamine Users in Shahid Beheshti Hospital of Kerman 克尔曼Shahid Beheshti医院甲基苯丙胺使用者中解离经历和解离性障碍的患病率
Pub Date : 2021-10-07 DOI: 10.5812/thrita.113930
M. Fateminasab, Farzaneh Raaii, A. Ghafarinejad, F. Pouya
Background: Dissociative symptoms have been reported to result from issues such as substance use. However, there is limited knowledge on the relationship between methamphetamine use and dissociative symptoms, and only a few studies have been conducted on this issue. Objectives: Given little knowledge on the relationship between methamphetamine use and dissociative symptoms, in particular dissociative disorders, the present study was done to investigate the prevalence of dissociative experiences and dissociative disorders in methamphetamine users in Shahid Beheshti hospital of Kerman City, Kerman Province, Iran. Methods: In this descriptive cross-sectional study, two groups of subjects, including methamphetamine users (N = 50) and controls (N = 51), were randomly selected from the individuals referring to Shahid-Beheshti Hospital, Kerman City, from September 2016 to March 2018. After validating the diagnosis of methamphetamine use via methamphetamine positive-urine test, the Dissociative Experiences Scale (DES) and dissociative disorders interview schedule-DSM5 (DDIS) were employed to assess dissociative experiences and disorders, respectively. Next, the Positive and Negative Syndrome Scale (PANSS) was utilized for the determination of positive and negative symptoms of psychosis in the case group. Finally, the chi-square test and t test were applied for comparing the study groups using SPSS version 20 software. Results: Our findings revealed that the mean score of dissociative symptoms was 15.3 in methamphetamine users. The mean score of depersonalization/derealization subscale of DES, as a dissociative experience, was higher in the case group (P < 0.01). The experience of possession, as a dissociative experience, was recorded in 17 methamphetamine users, while 18 (36%) methamphetamine users were diagnosed with dissociative disorder. Furthermore, a significant correlation was found between the DES score and positive symptoms in methamphetamine users (P < 0.05). Conclusions: According to the findings of the present study, it can be concluded that methamphetamine induces dissociative psychosis in methamphetamine users.
背景:据报道,解离症状是由物质使用等问题引起的。然而,关于甲基苯丙胺使用与解离症状之间关系的知识有限,对这一问题只进行了少数研究。目的:由于对甲基苯丙胺使用与解离症状,特别是解离障碍之间的关系知之甚少,本研究旨在调查伊朗克尔曼省克尔曼市Shahid Beheshti医院甲基苯丙胺使用者中解离经历和解离障碍的患病率。方法:在这项描述性横断面研究中,从2016年9月至2018年3月在克尔曼市Shahid-Beheshti医院就诊的个体中随机抽取甲基苯丙胺使用者(N = 50)和对照组(N = 51)两组受试者。在通过甲基苯丙胺阳性尿检验证甲基苯丙胺使用诊断后,分别采用解离体验量表(DES)和解离障碍访谈表- dsm5 (DDIS)评估解离体验和障碍。接下来,使用阳性和阴性症状量表(PANSS)来确定病例组的阳性和阴性精神病症状。最后,使用SPSS version 20软件对各研究组进行比较,采用卡方检验和t检验。结果:我们的研究结果显示,甲基苯丙胺使用者解离症状的平均得分为15.3分。DES作为一种解离性体验,其人格解体/现实解体分量表平均得分高于病例组(P < 0.01)。17名甲基苯丙胺使用者记录了作为一种分离体验的拥有经历,而18名(36%)甲基苯丙胺使用者被诊断为分离性障碍。此外,DES评分与甲基苯丙胺使用者的阳性症状之间存在显著相关性(P < 0.05)。结论:根据本研究的结果,可以得出结论,甲基苯丙胺诱发了甲基苯丙胺使用者的解离性精神病。
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引用次数: 0
Knowledge, Attitude, and Practice of Diabetes Mellitus 糖尿病的知识、态度与行为
Pub Date : 2021-06-30 DOI: 10.5812/thrita.114088
F. Mousavi, P. Shojaei
Background: To begin an educational program for diabetic patients, the assessment of their current level of knowledge (K), attitude (A), and practice (P) was necessary. Objectives: This research aimed to estimate the knowledge, attitude, and practice (KAP) of the general public, because of diabetes mellitus. Methods: A convenient sampling method was used to select 384 of every single person who was admitted to a research, educational and medical center, in the western north of Tehran, in 2018. KAP questionnaire on diabetes was completed, and the level of KAP was evaluated in diabetic and non-diabetic people using SPSS software. Results: The overall mean (± SD) of the knowledge, attitude, and practice was 12.13 ± 3.84, 5.52 ± 5 and 10.68 ± 51.96, respectively. Several linear regressions in the two groups for the total knowledge scores, total attitudes scores, and total practice scores displayed several significant (adjusted) associations. Conclusions: The results of this study showed that we need to increase the knowledge and attitude of patients with diabetes about a healthy lifestyle, including regular exercise, a healthy diet, and weight loss.
背景:为了开展糖尿病患者的教育计划,有必要评估他们目前的知识水平(K)、态度(A)和实践(P)。目的:本研究旨在了解大众对糖尿病的认知、态度和行为(KAP)。方法:采用方便的抽样方法,从2018年德黑兰西北部一个研究、教育和医疗中心的每名入院人员中选择384人。完成糖尿病KAP问卷,采用SPSS软件对糖尿病和非糖尿病患者的KAP水平进行评价。结果:知识、态度和行为的总体平均值(±SD)分别为12.13±3.84、5.52±5和10.68±51.96。两组的总知识得分、总态度得分和总实践得分的几个线性回归显示出几个显著的(调整后的)关联。结论:本研究结果表明,我们需要提高糖尿病患者对健康生活方式的认识和态度,包括定期运动,健康饮食和减肥。
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引用次数: 0
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